Thai government supporters and opposition protesters have opened fire on each other on the streets of Bangkok, as tension builds across Thailand ahead of today's general election.

The violence began during clashes in the Laksi district of Bangkok's north after government supporters marched on a polling station occupied by anti-government groups.

Six people were wounded as both sides fired pistols and machine guns and set off numerous explosions.

The government's decision to press ahead with the election has riled protesters and inflamed tension in Bangkok, where demonstrators are in their third week of an occupation of several main intersections.

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